EP1422701A4 - Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium - Google Patents
Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording mediumInfo
- Publication number
- EP1422701A4 EP1422701A4 EP02751724A EP02751724A EP1422701A4 EP 1422701 A4 EP1422701 A4 EP 1422701A4 EP 02751724 A EP02751724 A EP 02751724A EP 02751724 A EP02751724 A EP 02751724A EP 1422701 A4 EP1422701 A4 EP 1422701A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical disk
- multilayer optical
- objective lens
- processing
- recording
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording layers
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001226735 | 2001-07-26 | ||
JP2001226735 | 2001-07-26 | ||
JP2002115008 | 2002-04-17 | ||
JP2002115008 | 2002-04-17 | ||
PCT/JP2002/007608 WO2003010761A1 (en) | 2001-07-26 | 2002-07-26 | Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1422701A1 EP1422701A1 (en) | 2004-05-26 |
EP1422701A4 true EP1422701A4 (en) | 2007-07-25 |
Family
ID=26619367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02751724A Withdrawn EP1422701A4 (en) | 2001-07-26 | 2002-07-26 | Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium |
Country Status (7)
Country | Link |
---|---|
US (1) | US7333412B2 (en) |
EP (1) | EP1422701A4 (en) |
JP (2) | JP4329539B2 (en) |
KR (1) | KR100892101B1 (en) |
CN (1) | CN1299271C (en) |
TW (1) | TW594706B (en) |
WO (1) | WO2003010761A1 (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100425318B1 (en) * | 2001-12-28 | 2004-03-31 | 삼성전자주식회사 | Method and apparatus for enhancing edge of image |
KR101002538B1 (en) * | 2002-11-26 | 2010-12-17 | 파나소닉 주식회사 | Optical disk drive, method for getting a focal point of light, processor and computer readable storage medium having program stored thereon |
JP4659348B2 (en) * | 2003-08-22 | 2011-03-30 | パイオニア株式会社 | Optical pickup device and optical recording medium reproducing device |
EP1619677B1 (en) * | 2003-10-03 | 2011-06-08 | Panasonic Corporation | Optical pickup drive device and optical pickup focus pull-in method |
US20050201248A1 (en) * | 2004-03-10 | 2005-09-15 | Junichi Kitabayashi | Optical pickup apparatus and an optical disc drive apparatus equipped with such an optical pickup |
CN100359572C (en) * | 2004-06-08 | 2008-01-02 | 建兴电子科技股份有限公司 | Intelligent skipping method |
CN100380489C (en) * | 2004-12-03 | 2008-04-09 | 上海乐金广电电子有限公司 | Initial detecting and control method for light pick-up device to double layer optic disk |
JP4129463B2 (en) * | 2005-06-21 | 2008-08-06 | 東芝サムスン ストレージ・テクノロジー株式会社 | Optical disk device |
KR20080021157A (en) * | 2005-06-30 | 2008-03-06 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | A method for gradually closing down a focus control loop of an optical drive system |
TW200725576A (en) * | 2005-12-16 | 2007-07-01 | Lite On It Corp | Optical disc recorder and control device used for writable optical disc at label side |
JP4523553B2 (en) * | 2006-01-26 | 2010-08-11 | 株式会社日立エルジーデータストレージ | Optical disc apparatus and focus control method |
JP2007207359A (en) * | 2006-02-02 | 2007-08-16 | Toshiba Corp | Focus control device and focus control method |
DE602007001995D1 (en) | 2006-04-06 | 2009-10-01 | Daewoo Electronics Corp | Optical information reproducing apparatus and optical information reproducing method therewith |
TW200807406A (en) * | 2006-07-20 | 2008-02-01 | Sunplus Technology Co Ltd | Identification method for optical disk type |
JP2008130121A (en) * | 2006-11-17 | 2008-06-05 | Hitachi-Lg Data Storage Inc | Optical disk device and focus control method |
KR101307541B1 (en) * | 2007-02-14 | 2013-09-12 | 삼성전자주식회사 | Method for controlling focus of optical information storing media and apparatus thereof |
US8675463B2 (en) * | 2007-03-23 | 2014-03-18 | Mitsubishi Electric Corporation | Optical disc driving device |
US8730773B2 (en) * | 2007-07-02 | 2014-05-20 | Mediatek Inc. | Optical data access apparatus and method thereof |
KR100958588B1 (en) * | 2008-05-22 | 2010-05-18 | 삼성전자주식회사 | Gap pull-in method in the near-field optical disc drive and optical disc driving apparatus thereof |
JP4752875B2 (en) * | 2008-06-25 | 2011-08-17 | ソニー株式会社 | Drive device and track jump method |
US8149668B2 (en) * | 2008-12-24 | 2012-04-03 | Lite-On It Corporation | Optical disk drive and method for determining disk type |
JP5352295B2 (en) * | 2009-03-16 | 2013-11-27 | 日立コンシューマエレクトロニクス株式会社 | Disk unit |
KR20110080193A (en) * | 2010-01-05 | 2011-07-13 | 주식회사 히타치엘지 데이터 스토리지 코리아 | Apparatus and method for controlling layer jump in optical disc drive |
JP5377552B2 (en) * | 2011-03-17 | 2013-12-25 | 株式会社東芝 | Focus servo control device and information recording / reproducing device using the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6256273B1 (en) * | 1997-07-10 | 2001-07-03 | Pioneer Electronic Corporation | Focusing control apparatus for optimally directing light onto a recording surface |
US20010008506A1 (en) * | 1996-05-15 | 2001-07-19 | Noriyoshi Takeya | Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium |
EP1128370A2 (en) * | 2000-02-25 | 2001-08-29 | Mitsubishi Denki Kabushiki Kaisha | Focus pull-in method and optical disk device |
EP1248255A2 (en) * | 2001-04-05 | 2002-10-09 | Pioneer Corporation | Focusing controller for jump control between recording layers |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5255262A (en) | 1991-06-04 | 1993-10-19 | International Business Machines Corporation | Multiple data surface optical data storage system with transmissive data surfaces |
CN1029805C (en) * | 1991-06-04 | 1995-09-20 | 国际商业机器公司 | Multiple data surface data storage system and method |
DE69418761T2 (en) * | 1993-04-02 | 1999-10-21 | Sony Corp., Tokio/Tokyo | Focusing servo system and method for enabling the detection of a focusing servo system |
JPH08147762A (en) * | 1994-11-16 | 1996-06-07 | Sony Corp | Optical disk and its reproducing device |
JP3413684B2 (en) * | 1994-12-16 | 2003-06-03 | ソニー株式会社 | Multilayer optical disc reproducing apparatus and method |
JP3488584B2 (en) * | 1996-11-06 | 2004-01-19 | パイオニア株式会社 | Multi-layer optical disc recording information playback device |
US6370093B1 (en) * | 1996-07-31 | 2002-04-09 | Sanyo Electric Co., Ltd | Optical disc device |
JP3718941B2 (en) * | 1997-02-26 | 2005-11-24 | ソニー株式会社 | Optical disk device |
JP3489780B2 (en) * | 1997-12-29 | 2004-01-26 | 株式会社東芝 | Focus servo control device and disk reproducing device |
JP3836256B2 (en) * | 1998-03-31 | 2006-10-25 | 松下電器産業株式会社 | Optical disk device |
JP2000155955A (en) * | 1998-11-18 | 2000-06-06 | Matsushita Electric Ind Co Ltd | Focus jump control method and optical disk apparatus |
TW460870B (en) * | 1999-11-26 | 2001-10-21 | Asustek Comp Inc | Focusing speed control method of optical pickup head |
JP2001236657A (en) * | 2000-02-21 | 2001-08-31 | Toshiba Corp | Optical disk reading device and optical disk reading method |
KR100631239B1 (en) * | 2000-03-16 | 2006-10-02 | 엘지전자 주식회사 | Method for controling jump to another layer on multi layer disc |
JP4089177B2 (en) * | 2000-10-25 | 2008-05-28 | 株式会社日立製作所 | Optical disc apparatus and interlayer jump method |
JP2002279654A (en) * | 2001-01-11 | 2002-09-27 | Sony Computer Entertainment Inc | Optical disk apparatus and method for controlling movement of objective lens |
JP3596001B2 (en) * | 2001-01-30 | 2004-12-02 | 日本電気株式会社 | Focus servo retractor |
-
2002
- 2002-07-26 EP EP02751724A patent/EP1422701A4/en not_active Withdrawn
- 2002-07-26 US US10/484,713 patent/US7333412B2/en not_active Expired - Fee Related
- 2002-07-26 JP JP2003516053A patent/JP4329539B2/en not_active Expired - Fee Related
- 2002-07-26 WO PCT/JP2002/007608 patent/WO2003010761A1/en active Application Filing
- 2002-07-26 KR KR1020047001121A patent/KR100892101B1/en not_active IP Right Cessation
- 2002-07-26 TW TW091116747A patent/TW594706B/en not_active IP Right Cessation
- 2002-07-26 CN CNB028146271A patent/CN1299271C/en not_active Expired - Fee Related
-
2009
- 2009-04-27 JP JP2009108453A patent/JP4816759B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010008506A1 (en) * | 1996-05-15 | 2001-07-19 | Noriyoshi Takeya | Multiple layer disk reproducing apparatus, and apparatus for reproducing information record medium |
US6256273B1 (en) * | 1997-07-10 | 2001-07-03 | Pioneer Electronic Corporation | Focusing control apparatus for optimally directing light onto a recording surface |
EP1128370A2 (en) * | 2000-02-25 | 2001-08-29 | Mitsubishi Denki Kabushiki Kaisha | Focus pull-in method and optical disk device |
EP1248255A2 (en) * | 2001-04-05 | 2002-10-09 | Pioneer Corporation | Focusing controller for jump control between recording layers |
Non-Patent Citations (1)
Title |
---|
See also references of WO03010761A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2009163880A (en) | 2009-07-23 |
TW594706B (en) | 2004-06-21 |
KR100892101B1 (en) | 2009-04-08 |
JP4816759B2 (en) | 2011-11-16 |
KR20040020070A (en) | 2004-03-06 |
JPWO2003010761A1 (en) | 2004-11-18 |
WO2003010761A1 (en) | 2003-02-06 |
US7333412B2 (en) | 2008-02-19 |
CN1533565A (en) | 2004-09-29 |
EP1422701A1 (en) | 2004-05-26 |
JP4329539B2 (en) | 2009-09-09 |
US20040202084A1 (en) | 2004-10-14 |
CN1299271C (en) | 2007-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1422701A4 (en) | Optical recording/reproducing apparatus, focusing method therefor, and optical disk recording medium | |
US6278672B1 (en) | Optical disc discriminating device, optical disc reproducing device and discriminating method | |
AU3787395A (en) | Optical disk and reproducing apparatus | |
JP2009170101A (en) | Optical disk device | |
CN101015008B (en) | Optical recording medium, optical recording medium information recording/reproducing method and information recording/reproducing device | |
US6262957B1 (en) | Method and apparatus for automatically discriminating types of optical disks | |
JP2002342978A5 (en) | ||
JP4141622B2 (en) | Pickup device | |
EP1160773A1 (en) | Initializing optical multilayer recording | |
JPWO2004036559A1 (en) | Multilayer information medium, reproducing method and reproducing apparatus thereof | |
US6141305A (en) | Optical disk recording and reproducing apparatus and method and tracking servo apparatus and method | |
TW200634788A (en) | Optical pickup unit and information recording apparatus using the same | |
KR20010030529A (en) | Optical head and optical disc device | |
US6577581B2 (en) | Variable recording layer disk image pickup device | |
CN1643590B (en) | Servo-controlling method of an optical disk apparatus | |
JP2004310936A (en) | Optical disk device, and method for controlling position of objective lens | |
KR970002926A (en) | Focus Servo Movement Control | |
KR100315633B1 (en) | Optical pickup control method of multi-layer recording type digital video disc player | |
JP4760389B2 (en) | Disk device, optical pickup device and astigmatism correction method | |
JPH09223326A (en) | Optical reproducing device | |
JPH11328679A (en) | Optical disk reproducing device | |
JP2007272931A (en) | Optical head and optical disk device | |
JPH05266492A (en) | Optical disk device | |
JP2007115313A (en) | Optical disk device | |
KR20000041474A (en) | Method for controlling focus servo and tracking servo in optical disk system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20040122 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20070606 |
|
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20070626 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT NL |
|
17Q | First examination report despatched |
Effective date: 20071227 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20130201 |